DNS server construction for large enterprises

DNS server construction for large enterprises

In this case, a simulation project is used to demonstrate the dns main region configuration, secondary region, forwarding, multi-view, and Ddns functions.

An enterprise needs to configure a DHCP server and two dns servers to resolve the IP addresses and names of internal clients .. The network topology is as follows:

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All clients in the enterprise use Win xp. the design department computer is located in the 192.168.2.0/24 network segment, and the Planning and Finance Department computer is located in the 192.168.3.0/24 network segment. The enterprise's dhcp server, dns server FQDN is dns.example.com, IP address is 192.168.2.2), and a server as a relay proxy and secondary dns FQDN is dns1.example.com, IP address is 192.168.3.3) are all RHEL5.x...

Enterprise requirements for DHCP servers are as follows.

1) the IP address, subnet mask, default gateway, and dns suffix example.com assigned to the design and planning clients)

2) The available IP addresses of the design department are 192.168.2.20 --- 192.168.2.100 and 192.168.2.120 -- 192.168.2.250, and the available IP addresses of the Planning Department are 192.168.3.20 -- 192.168.3.250.

3) The company's primary dns server is 192.168.2.2. To improve the dns Client resolution speed of the 192.168.3.0/24 CIDR block, you need to create a secondary area in dns.example.com ..

4) The company needs to provide Web services and email services to the Intranet and Internet clients to complete the setup) name resolution, intranet users can use www.example.com and mail.example.com to resolve their IP addresses to 192.168.2.2 through dns, and the Internet to 61.130.130.1 through dns.

5) due to the large number of clients, you need to use Ddns to reduce the dns maintenance workload.

6) company intranet users can resolve to the Internet DQDN through the local dns service.

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